21371514

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8501}}^1$

素因数の和:8925

約数の個数: 16

約数和(自身を含む): 42850080

約数和(自身を除く): 21478566

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8501, 17002, 25503, 51006, 3561919, 7123838, 10685757, 21371514]

約数ペア:

[(1, 21371514), (2, 10685757), (3, 7123838), (6, 3561919), (419, 51006), (838, 25503), (1257, 17002), (2514, 8501)]